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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/08/08 19:21:00 UTC
[jira] [Updated] (SOLR-12647) Add meanSq Stream Evaluator to
calculate the mean of squares of a vector
[ https://issues.apache.org/jira/browse/SOLR-12647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joel Bernstein updated SOLR-12647:
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Summary: Add meanSq Stream Evaluator to calculate the mean of squares of a vector (was: Add meanSq to calculate the mean of squares of a vector)
> Add meanSq Stream Evaluator to calculate the mean of squares of a vector
> ------------------------------------------------------------------------
>
> Key: SOLR-12647
> URL: https://issues.apache.org/jira/browse/SOLR-12647
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Priority: Major
>
> This ticket adds the *meanSq* Stream Evaluator which calculates the mean of the squares of vector. This is often used to calculate the mean square error of a regression model
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